v4l linux skype

Download
v4l-dvb-ad2f24d34b83.tar.bz2
from
http://linuxtv.org/hg/~jfrancois/gspca/

cd archivename/v4l2-apps/lib/libv4l1/
make
make install

(echo I do not know why) do the following:
export LD_LIBRARY_PATH=/usr/local/lib
export LD_PRELOAD=/usr/local/lib/libv4l/v4l1compat.so

launch skype and enjoy clear video